Farfantepenaeus subtilis (Pérez-Farfante, 1967) and F. brasiliensis (Latreille, 1817) (Decapoda, Penaeidae): Ontogenetic comparison using the combined analysis of secondary sexual characters and molecular markers

França, Nielson Felix Caetano; Moraes, Alex Barbosa de; Carvalho-Batista, Abner; Melo, Marília C. R. B.; Greco, Laura S. López; Mantelatto, Fernando Luís Medina; Freire, Fúlvio Aurélio de Morais

doi:10.1016/j.fishres.2019.03.024

Cited by 9 publications

(4 citation statements)

References 18 publications

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“…for the COI gene are in between the intraspecific and interspecific thresholds of Decapoda. Even though intraspecific distances of up to 2.7% were reported for the penaeid shrimp Artemesia longinaris Spence Bate, 1888, it was less than 1% in other Atlantic Dendrobranchiata shrimps, such as Pleoticus muelleri (Spence Bate, 1888), Farfantepenaeus paulensis (Pérez-Farfante, 1967), Farfantepenaeus brasiliensis (Latreille, 1817), and Farfantepenaeus subtilis (Pérez-Farfante, 1967) 22,35–38 .…”

Section: Discussionmentioning

confidence: 99%

“…The correct taxonomic identification of important fishery resources is essential to enhance biodiversity knowledge and to develop adequate management and conservation strategies 20–22 . Recently, the combination of molecular tools and the detailed morphological analyses of the reproductive structures has proved to be very effective to solve taxonomic problems and to differentiate and describe cryptic species of decapod crustaceans 23,24 .…”

Section: Introductionmentioning

confidence: 99%

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A multigene and morphological analysis expands the diversity of the seabod shrimp Xiphopenaeus Smith, 1869 (Decapoda: Penaeidae), with descriptions of two new species

Carvalho-Batista

Terossi

Zara

et al. 2019

Sci Rep

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After being stable for nearly a century, the taxonomic history of the genus Xiphopenaeus has been marked by many changes in the last three decades. The taxonomic status of the Atlantic species has a low resolution, and many species are still undefined and grouped as cryptic species. Here we employed an integrative approach to define the species of Xiphopenaeus and the morphological characters needed to differentiate them. We combined the analyses of two molecular markers (COI and 16 S rDNA), scanning electron microscopy and light microscopy. Based on specimens from 17 localities from the Atlantic and Pacific oceans, we detected five divergent genetic groups, three in the Atlantic (A1, A2, A3) and two in the Pacific (P1, P2). Male secondary sexual characters were able to differentiate four out of the five genetic groups. Group A1 corresponds to X. kroyeri, and A2 and A3 correspond to new species. We redescribed the genus and two new species are described and illustrated: Xiphopenaeus dincao nov. sp. (A2) and Xiphopenaeus baueri nov. sp. (A3). Since the holotype of X. riveti was missing and the specimen analysed from group P2 was a female, the status of the species of Xiphopenaeus from the Pacific remains unresolved.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A multigene and morphological analysis expands the diversity of the seabod shrimp Xiphopenaeus Smith, 1869 (Decapoda: Penaeidae), with descriptions of two new species

Carvalho-Batista

Terossi

Zara

et al. 2019

Sci Rep

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“…An accurate and rapid identification is essential to enhance knowledge of their ecology and provide the information needed for appropriate conservation planning 15 , 16 . Identification at the species level using morphological characteristics for certain animal groups, especially amphibians with cryptic species, can be challenging 17 .…”

Section: Discussionmentioning

confidence: 99%

Distinguishing fanged frogs (Limnonectes) species (Amphibia: Anura: Dicroglossidae), from Thailand using high resolution melting analysis

Suwannapoom,

Osathanunkul

2023

Sci Rep

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Morphologically, species of fanged frogs (Limnonectes) are exceedingly similar, making it difficult to distinguish them within the complex. In Thailand, it has been difficult to distinguish between the sympatric species L. bannaensis and L. taylori, particularly among tadpoles, adolescents, and adult females. A precise identification contributes to a greater understanding of biodiversity, particularly for assessing distributions and population dynamics. Therefore, a novel approach is required. The objective of this study was to develop a high resolution melting analysis (HRM) for the rapid and accurate identification of six species of Limnonectes of the L. kuhlii complex found in Thailand, particularly the two sympatric fanged frogs. Here, HRM assays using 16S rRNA mitochondrial primers were designed and developed. There was as much as a 25.3% variation in the nucleotide sequence of the fragment amplified by HRM16S primers among the six species of Limnonectes. Prior to conducting an in vitro HRM, the DNA sequences were used in a simulation HRM, uMELT Quartz, to predict the melting curve for each species of Limnonectes. There were discrepancies between the predicted melting curves of each species generated by the programme. Consequently, in vitro HRM tests were conducted. The obtained melting curve and Tm values were consistent with those predicted, albeit with a slightly different Tm value and a more distinct melting curve. All evaluated species of Limnonectes could be easily distinguished from one another by comparing the melting curve shapes. The HRM assay was then used to confirm the species of 18 Limnonectes samples in comparison to the reference samples (confidence interval > 90%). In addition, the results of HRM were consistent with those of experts who used morphological analysis to identify species. The HRM was found to be useful, and therefore the method would also contribute to future ecological and systematic studies on the target species.

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“…Molecular tools were used to elucidate the taxonomic status of several marine shrimp species, whose morphology is insufficient to clarify their species identity ( Carvalho, Magalhães & Mantelatto, 2014 ; Tavares & Gusmão, 2016 ; Carvalho, Magalhães & Mantelatto, 2020 ). Combined with morphological data, genetic data allowed the interpretation of variability patterns along the distribution of some taxa ( Silva, Mesquita & Paula, 2010 ; Terossi & Mantelatto, 2012 ; Rossi & Mantelatto, 2013 ; Teodoro et al, 2016 ; Carvalho-Batista et al, 2019 ; França et al, 2019 ; Terossi & Mantelatto, 2020 ; França et al, 2021 ). The mitochondrial genes cytochrome c oxidase I (COI) and 16S rRNA have been considered powerful markers for molecular analysis in several studies of decapod shrimp at species and population levels ( Gusmão, Lazoski & Solé-Cava, 2000 ; Maggioni et al, 2001 ; Lavery et al, 2004 ; Vergamini, Pileggi & Mantelatto, 2011 ; Terossi & Mantelatto, 2012 ; Teodoro et al, 2016 ; Carvalho-Batista et al, 2018 ; França et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Genetic variation and cryptic lineage among the sergestid shrimp Acetes americanus (Decapoda)

Simões

Costa

Carvalho

et al. 2023

PeerJ

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The taxonomic status of the sergestid shrimp, Acetes americanus, has been questioned for several decades. No specific study has been performed thus far to resolve the incongruences. This species has a wide geographical range in the western Atlantic and is represented by two formally accepted subspecies: Acetes americanus carolinae, distributed in North America, and Acetes americanus americanus, present in South America. However, there are regions where the coexistence of both subspecies has been reported, such as Central America. This study aimed to genetically compare specimens of A. a. americanus collected in South America with A. a. carolinae sampled in North America to check for possible differences and the existence of more than one subspecies of A. americanus on the Brazilian coast. Based on the sequences of two informative markers, the cytochrome oxidase I region (COI) and 16S rRNA, phylogenetic reconstruction demonstrated well-defined clades with high support values, reinforcing the idea that A. a. americanus is genetically different from A. a. carolinae. Our hypothesis was corroborated as the specimens collected in Brazil were divided into two distinct lineages: the first composed of A. a. americanus sensu stricto (Brazil 1) and the second by Acetes americanus (Brazil 2). The three groups evidenced in the haplotype network were the same as those observed in the phylogenetic tree. The morphometric character (height/length of the thelycum) was effective in distinguishing A. a. Brazil 1 from A. a. carolinae. However, more detailed and conclusive studies comprising other characteristics to propose and describe a possible new entity are necessary. To the best of our knowledge, for the first time, the results of this study provide some insights into the taxonomic status of the sergestid shrimp A. americanus in the western Atlantic.

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Farfantepenaeus subtilis (Pérez-Farfante, 1967) and F. brasiliensis (Latreille, 1817) (Decapoda, Penaeidae): Ontogenetic comparison using the combined analysis of secondary sexual characters and molecular markers

Cited by 9 publications

References 18 publications

A multigene and morphological analysis expands the diversity of the seabod shrimp Xiphopenaeus Smith, 1869 (Decapoda: Penaeidae), with descriptions of two new species

A multigene and morphological analysis expands the diversity of the seabod shrimp Xiphopenaeus Smith, 1869 (Decapoda: Penaeidae), with descriptions of two new species

Distinguishing fanged frogs (Limnonectes) species (Amphibia: Anura: Dicroglossidae), from Thailand using high resolution melting analysis

Genetic variation and cryptic lineage among the sergestid shrimp Acetes americanus (Decapoda)

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